Why is the transparency on my particles not working once exported to Godot?
From what I've found Godot uses the alpha value of the albedo color as transparency.
A blender material with transparency enabled and the alpha value changed looks right in Blender, but doesn't work in Godot:

As you see, it correctly turned on the &quot;Transparent&quot; flag, but still has no alpha.
You have to change the alpha value of the albedo color in the Blender material for it to work: